Home / 144,512.68-199,427.72-80,851.72

Finding the Fourth Proportional to 144,512.68, 199,427.72 and 80,851.72

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Solution

The fourth proportional to 144,512.68, 199,427.72 and 80,851.72 is: 111,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.68 : 199,427.72 = 80,851.72 : x
  2. Step 2: Convert to fraction form
    144,512.68/199,427.72 = 80,851.72/x
  3. Step 3: Cross multiply
    144,512.68x = 199,427.72 × 80,851.72
  4. Step 4: Simplify right side
    144,512.68x = 16,124,074,177.68
  5. Step 5: Solve for x
    x = 16,124,074,177.68/144,512.68
  6. Step 6: Final answer
    x = 111,575.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.